Finding the Fourth Proportional to 75,758.44, 104,549.88 and 42,224.44
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Solution
The fourth proportional to 75,758.44, 104,549.88 and 42,224.44 is: 58,271.53
Step by Step Solution
- Step 1: Write the proportion equation
75,758.44 : 104,549.88 = 42,224.44 : x - Step 2: Convert to fraction form
75,758.44/104,549.88 = 42,224.44/x - Step 3: Cross multiply
75,758.44x = 104,549.88 × 42,224.44 - Step 4: Simplify right side
75,758.44x = 4,414,560,032.03 - Step 5: Solve for x
x = 4,414,560,032.03/75,758.44 - Step 6: Final answer
x = 58,271.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.